A vascular cambium cell divides to produce an inner and an outer daughter cell. Which outcome represents the probable fate of these cells?
A) Both cells continue to divide to produce wood.
B) The inner cell will differentiate into xylem, and the outer cell will divide again.
C) The inner cell will differentiate into phloem, and the outer cell will differentiate into xylem.
D) Both cells will continue to divide without differentiating into specialized cells.
Answer: B
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synthesis of ATP.
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What is the first thing that happens after neurotransmitter molecules bind to receptors located on a neuron’s dendrites?
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In gel electrophoresis, which of the following DNA fragments would travel the farthest distance from the sample well?
A) ATCCCGAT B) ATCCCG C) ATCC D) AT E) ATCCCGATTGCACGTT
Cell size is limited by _____
A) the number of proteins within the plasma membrane B) the surface area of mitochondria in the cytoplasm C) surface to volume ratios D) the size of the endomembrane system